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Finding the Third Proportional to 20,412 and 44,469

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Solution

The third proportional to 20,412 and 44,469 is: 96,878.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,412 : 44,469 = 44,469 : x
  2. Step 2: Convert to fraction form
    20,412/44,469 = 44,469/x
  3. Step 3: Cross multiply
    20,412x = 44,469 × 44,469
  4. Step 4: Simplify right side
    20,412x = 1,977,491,961
  5. Step 5: Solve for x
    x = 1,977,491,961/20,412
  6. Step 6: Final answer
    x = 96,878.89

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.